/**
* @param string $filepath
* @return array
*/
public function convertToArray($filepath)
{
$reader = Reader::createFromPath($filepath);
$reader->setDelimiter(',');
$date = $reader->setOffset(5)->fetchColumn(0);
$mbps = $reader->setOffset(5)->fetchColumn(5);
$date = array_slice($date, 0, count($mbps));
$data_unprocessed = array_combine($date, $mbps);
$data = [];
foreach ($data_unprocessed as $thisDate => $thisMbps) {
$datetime = new \DateTime($thisDate);
$index1 = Helper::hashToFirstIndex($datetime);
$index2 = Helper::hashToSecondIndex($datetime);
$time = Helper::indexToTime($index2);
// $data[$index1][$index2] = ['mbps' => floatval($thisMbps), 'time' => $time_str];
$data[$index1][$index2] = floatval($thisMbps);
}
return $data;
}
/**
* @dataProvider secondIndexProvider
*/
public function testIndexToSecondIndex($timestamp, $expectedIndex)
{
$datetime = new \DateTime($timestamp);
$result = Helper::hashToSecondIndex($datetime);
$this->assertSame($expectedIndex, $result, "Helper::hashToSecondIndex('{$timestamp}') should be {$expectedIndex}.");
}
